diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index bd16ba0..0fd0ed1 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -1,4 +1,4 @@
-%global	mainver		1.15.5
+%global	mainver		1.15.6
 #%%global	prever		.rc4
 
 %global	baserelease		1
@@ -272,6 +272,9 @@ popd
 %doc	%{gem_dir}/doc/%{gem_name}-%{mainver}%{?prever}/
 
 %changelog
+* Sun Mar 17 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.15.6-1
+- 1.15.6
+
 * Sat Nov 18 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.15.5-1
 - 1.15.5
 - Backport upstream patch for libxml2 2.12.0 error handling change
diff --git a/sources b/sources
index 04feeac..4a35517 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nokogiri-1.15.5.gem) = 3f6c2febbdef2cc7e34b5555479b614165a4b3aaa8b46340812e2a736b3efd12c0d0e79c64ad2313a3d99326fd802eaab74eeda08c4ccd9a949974df69e0fe0f
-SHA512 (rubygem-nokogiri-1.15.5-full.tar.gz) = 606b8fcc3483d4d834dc4cd9df73e56dbba6ad2c5c26223072f38f5e59b6746d913b73d9e3a6ffd4c5e52d5311c4efb0a78d3adae4545d6efdf826e4ab6a6985
+SHA512 (nokogiri-1.15.6.gem) = 3b400a23c9a9aedaabe3aab903ce821ede651edfb83d151b83d53bbfb83b2368bc1ddf9eb6b65ec8f1b17bfa5d22879864e98eb9d98021ad7abe6a6714ff3d38
+SHA512 (rubygem-nokogiri-1.15.6-full.tar.gz) = e1818c7e18cca272185b964392a34b5a74eb5eacf1c8b2702ad519ee46c05850b414a9083f428e86776bbd979df733bfe4fada248592cdfd0e3cc5e59519c4b6